Module onionr.communicatorutils.onionrcommunicatortimers
Onionr - Private P2P Communication
This file contains timer control for the communicator
Source code
'''
Onionr - Private P2P Communication
This file contains timer control for the communicator
'''
from __future__ import annotations # thank you python, very cool
'''
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
'''
import uuid
import threading
import onionrexceptions, logger
from typing import TYPE_CHECKING
from typing import Callable, NewType, Iterable
if TYPE_CHECKING:
from communicator import OnionrCommunicatorDaemon
CallFreqSeconds = NewType('CallFreqSeconds', int)
class OnionrCommunicatorTimers:
def __init__(self, daemon_inst: OnionrCommunicatorDaemon,
timer_function: Callable, frequency: CallFreqSeconds,
make_thread:bool=True, thread_amount:int=1, max_threads:int=5,
requires_peer:bool=False, my_args:Iterable=[]):
self.timer_function = timer_function
self.frequency = frequency
self.thread_amount = thread_amount
self.make_thread = make_thread
self.requires_peer = requires_peer
self.daemon_inst = daemon_inst
self.max_threads = max_threads
self.args = my_args
self.daemon_inst.timers.append(self)
self.count = 0
def processTimer(self):
# mark how many instances of a thread we have (decremented at thread end)
try:
self.daemon_inst.threadCounts[self.timer_function.__name__]
except KeyError:
self.daemon_inst.threadCounts[self.timer_function.__name__] = 0
# execute thread if it is time, and we are not missing *required* online peer
if self.count == self.frequency and not self.daemon_inst.shutdown:
try:
if self.requires_peer and len(self.daemon_inst.onlinePeers) == 0:
raise onionrexceptions.OnlinePeerNeeded
except onionrexceptions.OnlinePeerNeeded:
return
else:
if self.make_thread:
for i in range(self.thread_amount):
if self.daemon_inst.threadCounts[self.timer_function.__name__] >= self.max_threads:
logger.debug('%s is currently using the maximum number of threads, not starting another.' % self.timer_function.__name__, terminal=True)
else:
self.daemon_inst.threadCounts[self.timer_function.__name__] += 1
newThread = threading.Thread(target=self.timer_function, args=self.args, daemon=True,
name=self.timer_function.__name__ + ' - ' + str(uuid.uuid4()))
newThread.start()
else:
self.timer_function()
self.count = -1 # negative 1 because its incremented at bottom
self.count += 1Classes
class OnionrCommunicatorTimers (daemon_inst, timer_function, frequency, make_thread=True, thread_amount=1, max_threads=5, requires_peer=False, my_args=[])-
Source code
class OnionrCommunicatorTimers: def __init__(self, daemon_inst: OnionrCommunicatorDaemon, timer_function: Callable, frequency: CallFreqSeconds, make_thread:bool=True, thread_amount:int=1, max_threads:int=5, requires_peer:bool=False, my_args:Iterable=[]): self.timer_function = timer_function self.frequency = frequency self.thread_amount = thread_amount self.make_thread = make_thread self.requires_peer = requires_peer self.daemon_inst = daemon_inst self.max_threads = max_threads self.args = my_args self.daemon_inst.timers.append(self) self.count = 0 def processTimer(self): # mark how many instances of a thread we have (decremented at thread end) try: self.daemon_inst.threadCounts[self.timer_function.__name__] except KeyError: self.daemon_inst.threadCounts[self.timer_function.__name__] = 0 # execute thread if it is time, and we are not missing *required* online peer if self.count == self.frequency and not self.daemon_inst.shutdown: try: if self.requires_peer and len(self.daemon_inst.onlinePeers) == 0: raise onionrexceptions.OnlinePeerNeeded except onionrexceptions.OnlinePeerNeeded: return else: if self.make_thread: for i in range(self.thread_amount): if self.daemon_inst.threadCounts[self.timer_function.__name__] >= self.max_threads: logger.debug('%s is currently using the maximum number of threads, not starting another.' % self.timer_function.__name__, terminal=True) else: self.daemon_inst.threadCounts[self.timer_function.__name__] += 1 newThread = threading.Thread(target=self.timer_function, args=self.args, daemon=True, name=self.timer_function.__name__ + ' - ' + str(uuid.uuid4())) newThread.start() else: self.timer_function() self.count = -1 # negative 1 because its incremented at bottom self.count += 1Methods
def processTimer(self)-
Source code
def processTimer(self): # mark how many instances of a thread we have (decremented at thread end) try: self.daemon_inst.threadCounts[self.timer_function.__name__] except KeyError: self.daemon_inst.threadCounts[self.timer_function.__name__] = 0 # execute thread if it is time, and we are not missing *required* online peer if self.count == self.frequency and not self.daemon_inst.shutdown: try: if self.requires_peer and len(self.daemon_inst.onlinePeers) == 0: raise onionrexceptions.OnlinePeerNeeded except onionrexceptions.OnlinePeerNeeded: return else: if self.make_thread: for i in range(self.thread_amount): if self.daemon_inst.threadCounts[self.timer_function.__name__] >= self.max_threads: logger.debug('%s is currently using the maximum number of threads, not starting another.' % self.timer_function.__name__, terminal=True) else: self.daemon_inst.threadCounts[self.timer_function.__name__] += 1 newThread = threading.Thread(target=self.timer_function, args=self.args, daemon=True, name=self.timer_function.__name__ + ' - ' + str(uuid.uuid4())) newThread.start() else: self.timer_function() self.count = -1 # negative 1 because its incremented at bottom self.count += 1